IDBFactoryBackend -> IndexedDBClient, remove indexeddb/chromium

Source/modules/modules.gypi

 {
   'variables': {
     # Experimental hooks for embedder to provide extra IDL and source files.
     #
     # Note: this is not a supported API. If you rely on this, you will be broken
     # from time to time as the code generator changes in backward incompatible
     # ways.
     'extra_blink_module_idl_files': [],
     'extra_blink_module_files': [],
     # Files for which bindings (.cpp and .h files) will be generated
@@ skipping 413 matching lines @@
       'indexeddb/IDBCursorWithValue.cpp',
       'indexeddb/IDBCursorWithValue.h',
       'indexeddb/IDBDatabase.cpp',
       'indexeddb/IDBDatabase.h',
       'indexeddb/IDBDatabaseCallbacks.cpp',
       'indexeddb/IDBDatabaseCallbacks.h',
       'indexeddb/IDBEventDispatcher.cpp',
       'indexeddb/IDBEventDispatcher.h',
       'indexeddb/IDBFactory.cpp',
       'indexeddb/IDBFactory.h',
-      'indexeddb/IDBFactoryBackendInterface.h',
       'indexeddb/IDBHistograms.h',
       'indexeddb/IDBIndex.cpp',
       'indexeddb/IDBIndex.h',
       'indexeddb/IDBKey.cpp',
       'indexeddb/IDBKey.h',
       'indexeddb/IDBKeyPath.cpp',
       'indexeddb/IDBKeyPath.h',
       'indexeddb/IDBKeyRange.cpp',
       'indexeddb/IDBKeyRange.h',
       'indexeddb/IDBMetadata.h',
       'indexeddb/IDBObjectStore.cpp',
       'indexeddb/IDBObjectStore.h',
       'indexeddb/IDBOpenDBRequest.cpp',
       'indexeddb/IDBOpenDBRequest.h',
       'indexeddb/IDBPendingTransactionMonitor.cpp',
       'indexeddb/IDBPendingTransactionMonitor.h',
       'indexeddb/IDBRequest.cpp',
       'indexeddb/IDBRequest.h',
       'indexeddb/IDBTracing.h',
       'indexeddb/IDBTransaction.cpp',
       'indexeddb/IDBTransaction.h',
       'indexeddb/IDBVersionChangeEvent.cpp',
       'indexeddb/IDBVersionChangeEvent.h',
       'indexeddb/IndexedDB.h',
+      'indexeddb/IndexedDBClient.cpp',
+      'indexeddb/IndexedDBClient.h',
       'indexeddb/InspectorIndexedDBAgent.cpp',
       'indexeddb/InspectorIndexedDBAgent.h',
       'indexeddb/WebIDBCallbacksImpl.cpp',
       'indexeddb/WebIDBCallbacksImpl.h',
       'indexeddb/WebIDBDatabaseCallbacksImpl.cpp',
       'indexeddb/WebIDBDatabaseCallbacksImpl.h',
       'indexeddb/WorkerGlobalScopeIndexedDatabase.cpp',
       'indexeddb/WorkerGlobalScopeIndexedDatabase.h',
-      'indexeddb/chromium/IDBFactoryBackendInterfaceChromium.cpp',
-      'indexeddb/chromium/IDBFactoryBackendInterfaceChromium.h',
       'mediasource/HTMLVideoElementMediaSource.cpp',
       'mediasource/HTMLVideoElementMediaSource.h',
       'mediasource/MediaSource.cpp',
       'mediasource/MediaSource.h',
       'mediasource/MediaSourceBase.cpp',
       'mediasource/MediaSourceBase.h',
       'mediasource/MediaSourceRegistry.cpp',
       'mediasource/MediaSourceRegistry.h',
       'mediasource/SourceBuffer.cpp',
       'mediasource/SourceBuffer.h',
@@ skipping 437 matching lines @@
       'indexeddb/IDBKeyPathTest.cpp',
       'indexeddb/IDBRequestTest.cpp',
       'indexeddb/IDBTransactionTest.cpp',
       'websockets/WebSocketDeflaterTest.cpp',
       'websockets/WebSocketExtensionDispatcherTest.cpp',
       'websockets/WebSocketExtensionParserTest.cpp',
       'websockets/WebSocketPerMessageDeflateTest.cpp',
     ],
   },
 }